Definitions
1.AdjectiveRunning or lying across; transverse."a transversal line"
2.AdjectiveExhibiting or pertaining to transversality; connecting heterogeneous elements (fields, kinds of people, etc).
3.NounA line which traverses or intersects any system of other lines transversely.
A line intersecting a pair of parallel lines.
4.NounA line intersecting a pair of parallel lines.
5.NounA set containing one member from each of a collection of disjoint sets.